1620124 has 12 divisors (see below), whose sum is σ = 3093048. Its totient is φ = 736400.

The previous prime is 1620121. The next prime is 1620133. The reversal of 1620124 is 4210261.

It is a junction number, because it is equal to n+sod(n) for n = 1620098 and 1620107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1620121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18367 + ... + 18454.

It is an arithmetic number, because the mean of its divisors is an integer number (257754).

2^1620124 is an apocalyptic number.

It is an amenable number.

1620124 is a deficient number, since it is larger than the sum of its proper divisors (1472924).

1620124 is a wasteful number, since it uses less digits than its factorization.

1620124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36836 (or 36834 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1620124 is about 1272.8409170042. The cubic root of 1620124 is about 117.4490257240.

Adding to 1620124 its reverse (4210261), we get a palindrome (5830385).

The spelling of 1620124 in words is "one million, six hundred twenty thousand, one hundred twenty-four".